MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Prescription abbreviations
A prescription, as is well known, is a physician's order for the preparation and administration of a drug or device for a patient. What may be less well known is that a prescription has several parts: > >The superscription (or heading)…
Read the definitionRandom terms
Show more- Disease, Behcet's See: Behcet's syndrome
- Mutation A permanent change, a structural alteration, in the DNA or RNA. In humans and many other organisms, mutations…
- Hyper- A genetic disorder characterized by recurring attacks of chills and fever that usually start before the first…
- Connexin A subunit of connexon, a protein that forms a gap junction, a channel that permits ions and small molecules…
- Plegia Suffix meaning paralysis or a stroke. As in cardioplegia (paralysis of the heart), hemiplegia (paralysis of…
- Partial seizure A seizure that affects only one part of the brain. Symptoms depend on which part is affected. One part of the…
- Nasal septum deviation Failure of the nasal septum to be in the midline where it is supposed to be. (The nasal septum is the wall…
- Level 4 biosafety >Level 1 -- This level applies to agents that do not ordinarily cause human disease. >Level 2 -- This level…
- Tok- From the Greek word 'tokos' meaning childbirth, we have toc-, toco-, tok-, and toko- as combining forms, all…
- Proteinuria Excess protein in the urine. Some protein is normal in the urine. Too much means protein is leaking through…
- BM Abbreviation for 'black male' used by doctors as shorthand when jotting down the results of their physical…
- Thorn test An early test for Addison's disease. The test is named for Dr. George W. Thorn who devised it. See: Thorn…